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Commit | Line | Data |
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028f12ee SE |
1 | #include "builtin.h" |
2 | #include "perf.h" | |
3 | ||
4 | #include "util/parse-options.h" | |
5 | #include "util/trace-event.h" | |
6 | #include "util/tool.h" | |
7 | #include "util/session.h" | |
f5fc1412 | 8 | #include "util/data.h" |
028f12ee SE |
9 | |
10 | #define MEM_OPERATION_LOAD "load" | |
11 | #define MEM_OPERATION_STORE "store" | |
12 | ||
13 | static const char *mem_operation = MEM_OPERATION_LOAD; | |
14 | ||
15 | struct perf_mem { | |
16 | struct perf_tool tool; | |
17 | char const *input_name; | |
028f12ee SE |
18 | bool hide_unresolved; |
19 | bool dump_raw; | |
20 | const char *cpu_list; | |
21 | DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); | |
22 | }; | |
23 | ||
028f12ee SE |
24 | static int __cmd_record(int argc, const char **argv) |
25 | { | |
26 | int rec_argc, i = 0, j; | |
27 | const char **rec_argv; | |
28 | char event[64]; | |
29 | int ret; | |
30 | ||
31 | rec_argc = argc + 4; | |
32 | rec_argv = calloc(rec_argc + 1, sizeof(char *)); | |
33 | if (!rec_argv) | |
34 | return -1; | |
35 | ||
36 | rec_argv[i++] = strdup("record"); | |
37 | if (!strcmp(mem_operation, MEM_OPERATION_LOAD)) | |
38 | rec_argv[i++] = strdup("-W"); | |
39 | rec_argv[i++] = strdup("-d"); | |
40 | rec_argv[i++] = strdup("-e"); | |
41 | ||
42 | if (strcmp(mem_operation, MEM_OPERATION_LOAD)) | |
43 | sprintf(event, "cpu/mem-stores/pp"); | |
44 | else | |
45 | sprintf(event, "cpu/mem-loads/pp"); | |
46 | ||
47 | rec_argv[i++] = strdup(event); | |
48 | for (j = 1; j < argc; j++, i++) | |
49 | rec_argv[i] = argv[j]; | |
50 | ||
51 | ret = cmd_record(i, rec_argv, NULL); | |
52 | free(rec_argv); | |
53 | return ret; | |
54 | } | |
55 | ||
56 | static int | |
57 | dump_raw_samples(struct perf_tool *tool, | |
58 | union perf_event *event, | |
59 | struct perf_sample *sample, | |
028f12ee SE |
60 | struct machine *machine) |
61 | { | |
62 | struct perf_mem *mem = container_of(tool, struct perf_mem, tool); | |
63 | struct addr_location al; | |
64 | const char *fmt; | |
65 | ||
e44baa3e | 66 | if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) { |
028f12ee SE |
67 | fprintf(stderr, "problem processing %d event, skipping it.\n", |
68 | event->header.type); | |
69 | return -1; | |
70 | } | |
71 | ||
72 | if (al.filtered || (mem->hide_unresolved && al.sym == NULL)) | |
73 | return 0; | |
74 | ||
75 | if (al.map != NULL) | |
76 | al.map->dso->hit = 1; | |
77 | ||
78 | if (symbol_conf.field_sep) { | |
79 | fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s%"PRIu64 | |
80 | "%s0x%"PRIx64"%s%s:%s\n"; | |
81 | } else { | |
82 | fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64 | |
83 | "%s%5"PRIu64"%s0x%06"PRIx64"%s%s:%s\n"; | |
84 | symbol_conf.field_sep = " "; | |
85 | } | |
86 | ||
87 | printf(fmt, | |
88 | sample->pid, | |
89 | symbol_conf.field_sep, | |
90 | sample->tid, | |
91 | symbol_conf.field_sep, | |
ef89325f | 92 | sample->ip, |
028f12ee SE |
93 | symbol_conf.field_sep, |
94 | sample->addr, | |
95 | symbol_conf.field_sep, | |
96 | sample->weight, | |
97 | symbol_conf.field_sep, | |
98 | sample->data_src, | |
99 | symbol_conf.field_sep, | |
100 | al.map ? (al.map->dso ? al.map->dso->long_name : "???") : "???", | |
101 | al.sym ? al.sym->name : "???"); | |
102 | ||
103 | return 0; | |
104 | } | |
105 | ||
106 | static int process_sample_event(struct perf_tool *tool, | |
107 | union perf_event *event, | |
108 | struct perf_sample *sample, | |
8b640cc4 | 109 | struct perf_evsel *evsel __maybe_unused, |
028f12ee SE |
110 | struct machine *machine) |
111 | { | |
8b640cc4 | 112 | return dump_raw_samples(tool, event, sample, machine); |
028f12ee SE |
113 | } |
114 | ||
115 | static int report_raw_events(struct perf_mem *mem) | |
116 | { | |
f5fc1412 JO |
117 | struct perf_data_file file = { |
118 | .path = input_name, | |
119 | .mode = PERF_DATA_MODE_READ, | |
120 | }; | |
028f12ee SE |
121 | int err = -EINVAL; |
122 | int ret; | |
f5fc1412 JO |
123 | struct perf_session *session = perf_session__new(&file, false, |
124 | &mem->tool); | |
028f12ee SE |
125 | |
126 | if (session == NULL) | |
127 | return -ENOMEM; | |
128 | ||
129 | if (mem->cpu_list) { | |
130 | ret = perf_session__cpu_bitmap(session, mem->cpu_list, | |
131 | mem->cpu_bitmap); | |
132 | if (ret) | |
133 | goto out_delete; | |
134 | } | |
135 | ||
0a7e6d1b | 136 | if (symbol__init(&session->header.env) < 0) |
028f12ee SE |
137 | return -1; |
138 | ||
139 | printf("# PID, TID, IP, ADDR, LOCAL WEIGHT, DSRC, SYMBOL\n"); | |
140 | ||
141 | err = perf_session__process_events(session, &mem->tool); | |
142 | if (err) | |
143 | return err; | |
144 | ||
145 | return 0; | |
146 | ||
147 | out_delete: | |
148 | perf_session__delete(session); | |
149 | return err; | |
150 | } | |
151 | ||
152 | static int report_events(int argc, const char **argv, struct perf_mem *mem) | |
153 | { | |
154 | const char **rep_argv; | |
155 | int ret, i = 0, j, rep_argc; | |
156 | ||
157 | if (mem->dump_raw) | |
158 | return report_raw_events(mem); | |
159 | ||
160 | rep_argc = argc + 3; | |
161 | rep_argv = calloc(rep_argc + 1, sizeof(char *)); | |
162 | if (!rep_argv) | |
163 | return -1; | |
164 | ||
165 | rep_argv[i++] = strdup("report"); | |
166 | rep_argv[i++] = strdup("--mem-mode"); | |
167 | rep_argv[i++] = strdup("-n"); /* display number of samples */ | |
168 | ||
169 | /* | |
170 | * there is no weight (cost) associated with stores, so don't print | |
171 | * the column | |
172 | */ | |
173 | if (strcmp(mem_operation, MEM_OPERATION_LOAD)) | |
174 | rep_argv[i++] = strdup("--sort=mem,sym,dso,symbol_daddr," | |
175 | "dso_daddr,tlb,locked"); | |
176 | ||
177 | for (j = 1; j < argc; j++, i++) | |
178 | rep_argv[i] = argv[j]; | |
179 | ||
180 | ret = cmd_report(i, rep_argv, NULL); | |
181 | free(rep_argv); | |
182 | return ret; | |
183 | } | |
184 | ||
185 | int cmd_mem(int argc, const char **argv, const char *prefix __maybe_unused) | |
186 | { | |
187 | struct stat st; | |
188 | struct perf_mem mem = { | |
189 | .tool = { | |
190 | .sample = process_sample_event, | |
191 | .mmap = perf_event__process_mmap, | |
5c5e854b | 192 | .mmap2 = perf_event__process_mmap2, |
028f12ee SE |
193 | .comm = perf_event__process_comm, |
194 | .lost = perf_event__process_lost, | |
195 | .fork = perf_event__process_fork, | |
196 | .build_id = perf_event__process_build_id, | |
0a8cb85c | 197 | .ordered_events = true, |
028f12ee SE |
198 | }, |
199 | .input_name = "perf.data", | |
200 | }; | |
201 | const struct option mem_options[] = { | |
202 | OPT_STRING('t', "type", &mem_operation, | |
203 | "type", "memory operations(load/store)"), | |
204 | OPT_BOOLEAN('D', "dump-raw-samples", &mem.dump_raw, | |
205 | "dump raw samples in ASCII"), | |
206 | OPT_BOOLEAN('U', "hide-unresolved", &mem.hide_unresolved, | |
207 | "Only display entries resolved to a symbol"), | |
208 | OPT_STRING('i', "input", &input_name, "file", | |
209 | "input file name"), | |
210 | OPT_STRING('C', "cpu", &mem.cpu_list, "cpu", | |
211 | "list of cpus to profile"), | |
212 | OPT_STRING('x', "field-separator", &symbol_conf.field_sep, | |
213 | "separator", | |
214 | "separator for columns, no spaces will be added" | |
215 | " between columns '.' is reserved."), | |
216 | OPT_END() | |
217 | }; | |
8d2a2a1d RR |
218 | const char *const mem_subcommands[] = { "record", "report", NULL }; |
219 | const char *mem_usage[] = { | |
220 | NULL, | |
221 | NULL | |
222 | }; | |
223 | ||
028f12ee | 224 | |
8d2a2a1d RR |
225 | argc = parse_options_subcommand(argc, argv, mem_options, mem_subcommands, |
226 | mem_usage, PARSE_OPT_STOP_AT_NON_OPTION); | |
028f12ee SE |
227 | |
228 | if (!argc || !(strncmp(argv[0], "rec", 3) || mem_operation)) | |
229 | usage_with_options(mem_usage, mem_options); | |
230 | ||
231 | if (!mem.input_name || !strlen(mem.input_name)) { | |
232 | if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) | |
233 | mem.input_name = "-"; | |
234 | else | |
235 | mem.input_name = "perf.data"; | |
236 | } | |
237 | ||
238 | if (!strncmp(argv[0], "rec", 3)) | |
239 | return __cmd_record(argc, argv); | |
240 | else if (!strncmp(argv[0], "rep", 3)) | |
241 | return report_events(argc, argv, &mem); | |
242 | else | |
243 | usage_with_options(mem_usage, mem_options); | |
244 | ||
245 | return 0; | |
246 | } |